Probability

When rolling a single die, the events of rolling an odd number and rolling a 3 are mutually exclusive.

• True

• False

Danny has 20 chocolates. 5 are milk chocolates, 10 are dark chocolates, and 5 are white chocolates. What is the probability of getting a milk chocolate or a dark chocolate?

• 3/4

• 1/2

• 1/15

• 3/10

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the complement of flipping a coin 20 times and landing on heads 11 times?

• P' = 1/10

• P' = 11/20

• P' = 9/20

• P' = 10/20

Tags

CCSS.HSS.CP.A.1

Which of the following shows how to determine P(odd number or shaded number)?

• 4/8 + 3/8 - 1/8

• 3/8 + 6/8 - 4/8

• 4/8 - 5/8 + 3/8

• 4/8 + 4/8 - 4/8

Based on the chart, what is the probability of pulling a green marble?

• 1/8
• 8/25
• 8/100
• 7/8

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

A box contains three blue marbles, five red marbles, and four white marbles. If one marble is drawn at random, find P(blue|not white).

• 1/8

• 2/3

• 1/4

• 3/8

How many outfits are possible with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?

• 15
• 40
• 80
• 10

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.NS.A.3

Permutation or Combination: How many ways can 12 swimmers finish in first, second, and third place?

• Permutation

• Combination

Permutation or Combination: How many ways can Mrs. Sullivan choose two students from 27 to help put away calculators at the end of class?

• Permutation

• Combination

Sample space is defined as...

• the likelihood of an event occurring.
• a diagram of all possible outcomes.
• the probability of an event.
• a list of all possible outcomes.

Tags

CCSS.HSS.CP.A.1